# A104190 (b-file synthesized from sequence entry)
0 2
1 8
2 48
3 270
4 1392
5 6862
6 32440
7 149114
8 674344
9 3003292
10 13234674
11 57809228
12 250594424
13 1079480960
14 4624303560
15 19720668918
16 83744226026
17 354354250476
18 1494620712320
19 6286217598392